Brushless QuickShift Mode 4Spee

Assist Mode (A Mode) Feature Helps Eliminate "Screw Cam Out" and "Cross Threading" by Driving at Low Speed Until Tightening Begins, Helps Prevent Damage to the Screw or Workpiece, LED Light Ring Provides Superior 360 deg Illumination Helps Eliminate Shadows and Illuminate a Larger Area, Quick Shift Mode(TM) uses the Brushless Motor's Electronic Controls to Find the Best Balance of Speed and Torque for Each Application for More Efficient Fastening, Two Tightening Modes (T Mode) for Faster Tightening of Self Drilling Screws in Thick or Thin Gauge Metal